Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts. executing program [ 404.844482][ T3529] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 404.851126][ T3529] vhci_hcd vhci_hcd.0: devid(0) speed(3) speed_str(high-speed) [ 404.859993][ T3529] vhci_hcd vhci_hcd.0: Device attached [ 405.204942][ T1066] usb 9-1: new high-speed USB device number 2 using vhci_hcd [ 573.214931][ T27] INFO: task kworker/1:2:1066 blocked for more than 143 seconds. [ 573.222969][ T27] Not tainted 5.15.154-syzkaller #0 [ 573.231055][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.240353][ T27] task:kworker/1:2 state:D stack:25408 pid: 1066 ppid: 2 flags:0x00004000 [ 573.250301][ T27] Workqueue: usb_hub_wq hub_event [ 573.255832][ T27] Call Trace: [ 573.259165][ T27] [ 573.262115][ T27] __schedule+0x12c4/0x45b0 [ 573.267274][ T27] ? do_raw_spin_lock+0x14a/0x370 [ 573.272400][ T27] ? mark_lock+0x98/0x340 [ 573.277246][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.283257][ T27] ? release_firmware_map_entry+0x190/0x190 [ 573.289663][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.295200][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.300490][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 573.306123][ T27] schedule+0x11b/0x1f0 [ 573.310486][ T27] usb_kill_urb+0x1c9/0x300 [ 573.315759][ T27] ? usb_unlink_urb+0xa0/0xa0 [ 573.320472][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.326156][ T27] ? init_wait_entry+0xd0/0xd0 [ 573.331033][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.336820][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 573.342066][ T27] usb_start_wait_urb+0x1ac/0x510 [ 573.347649][ T27] ? usb_api_blocking_completion+0xa0/0xa0 [ 573.353501][ T27] usb_control_msg+0x2ad/0x4c0 [ 573.358821][ T27] ? usb_anchor_empty+0x40/0x40 [ 573.363704][ T27] ? kmem_cache_alloc_trace+0x143/0x290 [ 573.369846][ T27] ? hub_port_init+0x16d/0x27a0 [ 573.375112][ T27] hub_port_init+0xba4/0x27a0 [ 573.379915][ T27] ? _raw_spin_unlock+0x40/0x40 [ 573.385257][ T27] hub_event+0x28ed/0x54c0 [ 573.389755][ T27] ? led_work+0x700/0x700 [ 573.394103][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.400100][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.406372][ T27] ? down_read_killable_nested+0x280/0x350 [ 573.412216][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 573.418980][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.424305][ T27] process_one_work+0x8a1/0x10c0 [ 573.429741][ T27] ? worker_detach_from_pool+0x260/0x260 [ 573.435736][ T27] ? _raw_spin_lock_irqsave+0x120/0x120 [ 573.441496][ T27] ? kthread_data+0x4e/0xc0 [ 573.446671][ T27] ? wq_worker_running+0x97/0x170 [ 573.451725][ T27] worker_thread+0xaca/0x1280 [ 573.457006][ T27] kthread+0x3f6/0x4f0 [ 573.461272][ T27] ? rcu_lock_release+0x20/0x20 [ 573.466682][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.471474][ T27] ret_from_fork+0x1f/0x30 [ 573.476391][ T27] [ 573.479548][ T27] INFO: task syz-executor294:3529 blocked for more than 143 seconds. [ 573.488277][ T27] Not tainted 5.15.154-syzkaller #0 [ 573.494010][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.503680][ T27] task:syz-executor294 state:D stack:25088 pid: 3529 ppid: 3528 flags:0x00004006 [ 573.513183][ T27] Call Trace: [ 573.516829][ T27] [ 573.519780][ T27] __schedule+0x12c4/0x45b0 [ 573.524336][ T27] ? release_firmware_map_entry+0x190/0x190 [ 573.531152][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 573.537028][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.542280][ T27] schedule+0x11b/0x1f0 [ 573.546847][ T27] schedule_preempt_disabled+0xf/0x20 [ 573.552245][ T27] __mutex_lock_common+0xe34/0x25a0 [ 573.558097][ T27] ? usbdev_release+0x76/0x7c0 [ 573.563033][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 573.568713][ T27] ? memset+0x1f/0x40 [ 573.572733][ T27] ? __fsnotify_update_child_dentry_flags+0x2a0/0x2a0 [ 573.580064][ T27] mutex_lock_nested+0x17/0x20 [ 573.585305][ T27] usbdev_release+0x76/0x7c0 [ 573.590023][ T27] ? ima_file_free+0xeb/0x3c0 [ 573.595280][ T27] ? usbdev_open+0x7a0/0x7a0 [ 573.599914][ T27] __fput+0x3bf/0x890 [ 573.603997][ T27] task_work_run+0x129/0x1a0 [ 573.609221][ T27] exit_to_user_mode_loop+0x106/0x130 [ 573.614962][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 573.620555][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 573.626843][ T27] do_syscall_64+0x47/0xb0 [ 573.631285][ T27] ? clear_bhb_loop+0x15/0x70 [ 573.636389][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 573.642310][ T27] RIP: 0033:0x7f650f31c0e0 [ 573.647130][ T27] RSP: 002b:00007ffdf7ba6608 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 573.656040][ T27] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f650f31c0e0 [ 573.664040][ T27] RDX: 0000000000000007 RSI: 00007ffdf7ba6140 RDI: 0000000000000003 [ 573.672508][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 573.680764][ T27] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 573.689058][ T27] R13: 00007ffdf7ba68b8 R14: 0000000000000001 R15: 00007ffdf7ba6650 [ 573.697331][ T27] [ 573.700370][ T27] [ 573.700370][ T27] Showing all locks held in the system: [ 573.708216][ T27] 1 lock held by khungtaskd/27: [ 573.713093][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 573.722614][ T27] 5 locks held by kworker/1:2/1066: [ 573.728008][ T27] #0: ffff888141bce538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 573.739019][ T27] #1: ffffc90004547d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 573.750354][ T27] #2: ffff888147d5e220 (&dev->mutex){....}-{3:3}, at: hub_event+0x208/0x54c0 [ 573.759392][ T27] #3: ffff888147d725c0 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2238/0x54c0 [ 573.769421][ T27] #4: ffff888147a02068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2260/0x54c0 [ 573.779358][ T27] 2 locks held by getty/3266: [ 573.784047][ T27] #0: ffff888024ab3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 573.793975][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 573.804253][ T27] 1 lock held by syz-executor294/3529: [ 573.809840][ T27] #0: ffff888147d5e220 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x76/0x7c0 [ 573.819057][ T27] [ 573.821378][ T27] ============================================= [ 573.821378][ T27] [ 573.829825][ T27] NMI backtrace for cpu 0 [ 573.834178][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.154-syzkaller #0 [ 573.842162][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 573.852270][ T27] Call Trace: [ 573.855556][ T27] [ 573.858492][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 573.863188][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 573.868843][ T27] ? panic+0x850/0x850 [ 573.873061][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 573.878218][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 573.883180][ T27] ? __wake_up_klogd+0xd5/0x100 [ 573.888057][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 573.894221][ T27] ? _printk+0xd1/0x120 [ 573.898383][ T27] ? panic+0x850/0x850 [ 573.902448][ T27] ? __wake_up_klogd+0xcc/0x100 [ 573.907297][ T27] ? panic+0x850/0x850 [ 573.911471][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.917583][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 573.923569][ T27] watchdog+0xe72/0xeb0 [ 573.927767][ T27] kthread+0x3f6/0x4f0 [ 573.931835][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.936854][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.941640][ T27] ret_from_fork+0x1f/0x30 [ 573.946078][ T27] [ 573.949215][ T27] Sending NMI from CPU 0 to CPUs 1: [ 573.954464][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 573.955507][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 573.970059][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.154-syzkaller #0 [ 573.978050][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 573.988184][ T27] Call Trace: [ 573.991481][ T27] [ 573.994403][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 573.999204][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 574.005187][ T27] ? panic+0x850/0x850 [ 574.009417][ T27] panic+0x318/0x850 [ 574.013322][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 574.019061][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 574.025305][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 574.030500][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 574.036654][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 574.042978][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 574.049126][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 574.055480][ T27] watchdog+0xeb0/0xeb0 [ 574.059640][ T27] kthread+0x3f6/0x4f0 [ 574.063702][ T27] ? hungtask_pm_notify+0x50/0x50 [ 574.068719][ T27] ? kthread_blkcg+0xd0/0xd0 [ 574.073538][ T27] ret_from_fork+0x1f/0x30 [ 574.077983][ T27] [ 574.081123][ T27] Kernel Offset: disabled [ 574.085448][ T27] Rebooting in 86400 seconds..